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1971 Honda CB350K3 Valves & Valve Guides

Choose cylinder-head parts for your 1971 CB350K3 by position and condition. Intake valves, exhaust valves and their guides are different components. Inspect the seats and guide bores before deciding which valves to replace or ordering standard-size Kibblewhite bronze guides.

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Honda CB350 CB360 exhaust valve 14721-286-305

Honda CB350 / CB360 Exhaust Valve ~ Replaces 14721-286-305

$19.95 USD
01-9954
Restore proper engine performance with this Exhaust Valve, designed as a direct replacement for the original Honda component. This valve replaces OEM part numbers...
Honda CB350 CB360 intake valve 14711-286-030

Honda CB350 / CB360 Intake Valve ~ Replaces 14711-286-030

$19.95 USD
01-9953
This intake valve is designed as a direct replacement for the original Honda component, matching OEM reference number 14711-286-030. It plays a key role...
Honda CB350 CL350K0 performance kibblewhite exhaust valve guide

Honda CB High Performance Kibblewhite Exhaust Valve Guide

$49.95 USD
12-0094
Match the intake guide with this Kibblewhite Exhaust Valve Guide (standard size). Same C63000 nickel-aluminum bronze construction, same airflow-optimized profile. Made in the USA....
Honda CB350 CL350K0 CL350K1 performance kibblewhite intake valve guide

Honda CB High Performance Kibblewhite Intake Valve Guide

$49.95 USD
12-0093
Fit a premium valve guide to your CB350K or CL350K with this Kibblewhite Intake Valve Guide (standard size). Made from copper-based C63000 nickel-aluminum bronze:...
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1971 Honda CB350K3 · Valves & Valve Guides Buying guide

Build the valve order from the head inspection

A valve alone does not establish the condition of its seat or guide. Identify intake and exhaust positions separately, then use the head inspection to decide which replacement valves and guides are needed.

Parts to consider

Honda CB350 / CB360 Intake Valve ~ Replaces 14711-286-030 Intake ValveReplacement intake valve for the CB350K twin, sold individually.View part Honda CB350 / CB360 Exhaust Valve ~ Replaces 14721-286-305 Exhaust ValveCB350K exhaust valve, references 14721-286-305 and 14721-286-020.View part Honda CB High Performance Kibblewhite Intake Valve Guide Kibblewhite Intake Valve GuideStandard-size C63000 nickel-aluminum bronze guide, sold each; no separate OEM-style guide clip.View part

Related parts: Kibblewhite Exhaust Valve Guide

Choose valves by position

The intake and exhaust valves have separate applications and reference numbers. The intake valve is sold individually. Record each replacement position rather than ordering an assumed complete set, and have the existing seats assessed before deciding how much cylinder-head work is required.

Plan guide work before assembly

The standard-size Kibblewhite intake and linked exhaust guides use C63000 nickel-aluminum bronze and are sold each. They do not use separate OEM-style valve-guide clips. Have the installer confirm the required guide fit and finishing work before purchasing parts for an already repaired head.

Buying questions

Are the intake and exhaust guides interchangeable?

Choose the guide made for its specific position. Separate Kibblewhite intake and exhaust guides are offered, even though both use C63000 nickel-aluminum bronze and are described as standard size.

Should I add original-style clips to the Kibblewhite guides?

These Kibblewhite bronze guides do not use separate OEM-style guide clips. Follow the guide manufacturer’s fitting requirements and have the installer confirm the correct guide choice for the head being repaired.

Can I order valves before the head is inspected?

An inspection helps establish whether the valves, seats, guides or a combination need work. Buying only the visibly damaged valve can leave the order incomplete, especially on a head with unknown repair history.

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Send your model and year, plus photos of your existing part and any changes to the original setup.

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